<?php
/**
 * Magento Enterprise Edition
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Magento Enterprise Edition End User License Agreement
 * that is bundled with this package in the file LICENSE_EE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.magento.com/license/enterprise-edition
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magento.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magento.com for more information.
 *
 * @category    Enterprise
 * @package     Enterprise_Cms
 * @copyright Copyright (c) 2006-2015 X.commerce, Inc. (http://www.magento.com)
 * @license http://www.magento.com/license/enterprise-edition
 */
/** @var $installer Enterprise_Cms_Model_Resource_Setup */
$installer = $this;
$installer->startSetup();

$nodeTableName = $installer->getTable('enterprise_cms/hierarchy_node');

$installer
    ->getConnection()
    ->dropIndex($nodeTableName, $installer->getIdxName(
        'enterprise_cms/hierarchy_node',
        array('request_url'),
        Varien_Db_Adapter_Interface::INDEX_TYPE_UNIQUE)
    );

$keyFieldsList = array('request_url', 'scope', 'scope_id');
$installer
    ->getConnection()
    ->addIndex(
        $nodeTableName,
        $installer->getIdxName(
            'enterprise_cms/hierarchy_node',
            $keyFieldsList,
            Varien_Db_Adapter_Interface::INDEX_TYPE_UNIQUE
        ),
        $keyFieldsList,
        Varien_Db_Adapter_Interface::INDEX_TYPE_UNIQUE
    );

$installer->endSetup();
